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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.orchestra.lib.jsf;
20  
21  import javax.faces.component.StateHolder;
22  import javax.faces.component.UIComponent;
23  import javax.faces.context.FacesContext;
24  import javax.faces.convert.Converter;
25  import javax.faces.convert.ConverterException;
26  
27  public class StatefulConverter implements Converter, StateHolder
28  {
29      int count = 17;
30      public Object getAsObject(FacesContext context, UIComponent component, String value) throws ConverterException
31      {
32          ++count;
33          return value.toUpperCase() + ":" + count;
34      }
35  
36      public String getAsString(FacesContext context, UIComponent component, Object value) throws ConverterException
37      {
38          ++count;
39          if (value == null)
40              return null;
41          else
42              return value.toString().toUpperCase() + ":" + count;
43      }
44  
45      public boolean isTransient()
46      {
47          return false;
48      }
49  
50      public void restoreState(FacesContext context, Object oldState)
51      {
52          Object[] state = (Object[]) oldState;
53          count = ((Integer) state[0]).intValue();
54      }
55  
56      public Object saveState(FacesContext context)
57      {
58          Object[] state = new Object[1];
59          state[0] = new Integer(count);
60          return state;
61      }
62  
63      public void setTransient(boolean newTransientValue)
64      {
65      }
66  }